Snowthrower power head



FIG. 1 is an upper left front perspective view of a snowthrower power head showing our new design in use condition;

FIG. 2 is an enlarged left front perspective view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a rear elevation view thereof with unclaimed subject matter removed;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a bottom plan view thereof with unclaimed subject matter removed;

FIG. 11 is a left rear perspective view thereof, wherein a corresponding right rear perspective view is a mirror image of FIG. 11; and,

FIG. 12 is a left rear perspective view thereof with unclaimed subject matter removed, wherein a corresponding right rear perspective view is a mirror image of FIG. 12.

The broken line showing of the environment, including the handle/control structure protruding upwardly from the power head, is for illustration purposes only and forms no part of the claimed design. Other broken lines that illustrate boundaries of the snowthrower power head also form no part of the claimed design. Further, both the tire tread and the tire/wheel structure located within the outer circumference of the tires are illustrated in broken lines and also form no part of the claimed design. 

The ornamental design for a snowthrower power head, as shown and described. 